diff --git a/CHANGELOG.md b/CHANGELOG.md
index 698eb937..62c639eb 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,17 @@
 # Change Log
 
+## [1.2.18](https://github.com/ably/ably-go/tree/v1.2.18)
+
+[Full Changelog](https://github.com/ably/ably-go/compare/v1.2.17...v1.2.18)
+
+**Fixed bugs:**
+
+- Suspended connection goes to failed state on resume attempt [\#638](https://github.com/ably/ably-go/issues/638)
+
+**Closed issues:**
+
+- Flaky test - TestRealtimePresence\_EnsureChannelIsAttached [\#508](https://github.com/ably/ably-go/issues/508)
+
 ## [1.2.17](https://github.com/ably/ably-go/tree/v1.2.17)
 
 [Full Changelog](https://github.com/ably/ably-go/compare/v1.2.16...v1.2.17)
diff --git a/ably/proto_http.go b/ably/proto_http.go
index bc78b060..3b9c281e 100644
--- a/ably/proto_http.go
+++ b/ably/proto_http.go
@@ -11,7 +11,7 @@ const (
 	ablyProtocolVersionHeader = "X-Ably-Version"
 	ablyErrorCodeHeader       = "X-Ably-Errorcode"
 	ablyErrorMessageHeader    = "X-Ably-Errormessage"
-	clientLibraryVersion      = "1.2.17"
+	clientLibraryVersion      = "1.2.18"
 	clientRuntimeName         = "go"
 	ablyProtocolVersion       = "2" // CSV2
 	ablyClientIDHeader        = "X-Ably-ClientId"